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A. In what line did the mistake occur? Justify the answer. B. What are the correct answers?

A. In what line did the mistake occur? Justify the answer. B. What are the correct answers?

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.6: Additional Trigonometric Graphs
Problem 59E
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A. In what line did the mistake occur? Justify the answer.

B. What are the correct answers?

Jose was asked to solve the following trigonometric equation for 0 < x < 27. sin(x) – cos(2a) = 0 Jose worked the problem the following way: Line 1: sin(æ) – (1– 2 sin? (x)) = 0 Line 2: sin(x) – 1+2 sin? (x) = 0 Line 3: 2 sin? (x) + sin(x) – 1 = 0 Line 4: (2 sin(x) +1) (sin(x) – 1) = 0 Line 5: sin(x) = –3, sin(x) = 1 : 1 - 77 11T Line 6: x 6 2
Transcribed Image Text:Jose was asked to solve the following trigonometric equation for 0 < x < 27. sin(x) – cos(2a) = 0 Jose worked the problem the following way: Line 1: sin(æ) – (1– 2 sin? (x)) = 0 Line 2: sin(x) – 1+2 sin? (x) = 0 Line 3: 2 sin? (x) + sin(x) – 1 = 0 Line 4: (2 sin(x) +1) (sin(x) – 1) = 0 Line 5: sin(x) = –3, sin(x) = 1 : 1 - 77 11T Line 6: x 6 2
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